diff --git a/SourceCollector.py b/SourceCollector.py
index 6896ad1..9e5b361 100644
--- a/SourceCollector.py
+++ b/SourceCollector.py
@@ -90,7 +90,6 @@ class SourceCollector:
                     new_node.fa = u
                     num_str = to[1:]
                     new_node.path = new_path
-
                     try:
                         if to.startswith('g'):
                             new_node.val = int(num_str)
diff --git a/maze_generator.py b/maze_generator.py
index a68a582..1474d88 100644
--- a/maze_generator.py
+++ b/maze_generator.py
@@ -21,6 +21,7 @@ class MazeGenerator:
         self.filename = filename
         self.name = name  # 迷宫名称
         self.special_elements = []  # 存储特殊元素的位置和值
+        self.history_mazes = []
 
     def initialize_maze(self):
         """初始化迷宫，四周设置为墙"""
@@ -94,7 +95,9 @@ class MazeGenerator:
                         if wall_count <= 2 * (int)(self.WALL):
                             break
                 self.maze[rx][ry] = self.ROUTE
+        self.history_mazes.append(self.maze)
 
+        # self.history_mazes.append(self.maze)
     def set_random_exits(self):
         """随机设置迷宫入口和出口"""
         available = self.get_available_cells()